An e.s.r. study of copper(II) complexes of N-hydroxyalkylsalicylideneimines |
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Authors: | El-Tabl Abdou Saad |
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Institution: | (1) Department of Chemistry, Faculty of Science, Menofia University, Shebin El-Kom, Egypt |
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Abstract: | X-band e.s.r. spectra of copper(II) complexes of empirical formula Cu(Sal.NCH2CH2O)X (where X= H2O, py or Cl) and Cu(Sal.NCH2CH2CH2O)]2
(Sal.N= OC6H4CHN) in solid and solution states at room temperature and at 77K are reported. In frozen solution at 77K the
spectra show axial symmetry with a dx2−y2 ground state. The in-plane π-bonds show a moderate degree of covalence, while the
out-of-plane π-bonds possess ionic character. The orbital populations of these complexes are 70.9, 81.3, 93.3 and 82.4% respectively,
indicating a dx2−y2 ground state.
This revised version was published online in June 2006 with corrections to the Cover Date. |
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